anterior-posterior

an·ter·o·pos·te·ri·or

, anterior-posterior (AP, A/P) (an'tĕr-ō-pos-tēr'ē-ŏr) 1. Relating to both front and rear. 2. In x-ray imaging, describing the direction of the beam through the patient from anterior to posterior.

an·ter·o·pos·te·ri·or

, anterior-posterior(AP) (an'tĕr-ō-pos-tēr'ē-ŏr, an-tē'rē-ŏr-pos-tē'rē-ŏr) 1. Relating to both front and rear. 2. In x-ray imaging, describing the direction of the beam through the patient (projection) from anterior to posterior.